BQ25505 Datasheet, PDF (13/34 Pages) Texas Instruments – Ultra Low Power Boost Charger with Battery Management and Autonomous Power

www.ti.com
Spacer
100
90
80
I_IN = 102A
70
60
50
40
30
20
VSTOR = 2.0 V
10
VSTOR = 3.0 V
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
Figure 6. Charger Efficiency vs Input Voltage
100
90
80
70
I_IN = 10 mA
60
50
40
VSTOR = 2.0 V
30
VSTOR = 3.0 V
VSTOR = 5.5 V
20
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
Figure 8. Charger Efficiency vs Input Voltage
100.00
90.00
80.00
70.00
V_IN = 1 V
60.00
50.00
40.00
VSTOR = 2.0 V
30.00
VSTOR = 3.0 V
20.00
VSTOR = 5.5 V
0.01
0.1
1
10
100
Input Current (mA)
Figure 10. Charger Efficiency vs Input Current
bq25505
SLUSBJ3B – AUGUST 2013 – REVISED JANUARY 2014
100
90
80
70
I_IN = 100 2A
60
50
40
30
20
VSTOR = 2.0 V
10
VSTOR = 3.0 V
VSTOR = 5.5 V
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
Figure 7. Charger Efficiency vs Input Voltage
100.00
90.00
80.00
70.00
V_IN = 2 V
60.00
50.00
VSTOR = 2.2 V
VSTOR = 3.0 V
40.00
VSTOR = 5.5 V
0.01
0.1
1
10
100
Input Current (mA)
Figure 9. Charger Efficiency vs Input Current
100
90
V_IN = 0.5 V
80
70
60
50
40
VSTOR = 1.8 V
30
VSTOR = 3.0 V
20
0.01
0.1
VSTOR = 5.5 V
1
10
100
Input Current (mA)
Figure 11. Charger Efficiency vs Input Current
Copyright © 2013–2014, Texas Instruments Incorporated
Product Folder Links :bq25505
Submit Documentation Feedback
13